Home / 140,339.20-211,027.20-117,529.60

Finding the Fourth Proportional to 140,339.20, 211,027.20 and 117,529.60

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Solution

The fourth proportional to 140,339.20, 211,027.20 and 117,529.60 is: 176,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,339.20 : 211,027.20 = 117,529.60 : x
  2. Step 2: Convert to fraction form
    140,339.20/211,027.20 = 117,529.60/x
  3. Step 3: Cross multiply
    140,339.20x = 211,027.20 × 117,529.60
  4. Step 4: Simplify right side
    140,339.20x = 24,801,942,405.12
  5. Step 5: Solve for x
    x = 24,801,942,405.12/140,339.20
  6. Step 6: Final answer
    x = 176,728.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.